Cal Fire calls it the Cooley Fire and now lists 731 acres, 5% contained.
fire weather
Late-day sun over Lake Berryessa in the Napa County mountains on May 22, 2025. The lake sits in the North Bay Interior Mountains forecast zone, one of two North Bay zones under the weekend heat advisory. (Jesse Pluim / Bureau of Land Management)
Heat advisory covers Sonoma and Napa hills, not valley towns
The National Weather Service put the hills of western Sonoma County and the mountains of Sonoma and Napa counties under a heat advisory from 11 a.m. Saturday to 10 p.m. Sunday. Valley towns fall outside it.
Pulled vines piled beside a fallow vineyard block in western Sonoma County, June 23, 2026. Photo by Roger Coryell.
North Bay fuel dryness is headed past the 97th percentile
Bay Area forecasters project Energy Release Component values past the 97th percentile in the North Bay this weekend. No Red Flag Warning is in effect anywhere in California, and the reason comes down to wind.